Technology Archive

18 Apr 2019

How to Install Slack in Ubuntu 18.04/16.04

Slack is a way to communicate and work more effectively and efficiently. You probably communicate with your teammates/colleagues, make decisions, and share the information. Slack has support on many different platforms, like Windows, macOS, Android, iOS and
15 Apr 2019

How to Install Oracle Database 12c Release 2 in Linux 7

Oracle Database is an object-relational database management system (RDBMS) developed by Oracle Corporation. The Oracle Database 12c is a high-performance, enterprise-class database. Oracle Database is the most popular, trusted database systems. Oracle Database support multiple operating systems
12 Apr 2019

Install MySQL Password Validation Plugin on Linux

When thinking about security within a MySQL installation is protecting MySQL data. MySQL provides many tools and plugins in order to protect your data. Now MySQL version 5.6.4 comes with a new security plugin called Password Validation
3 Apr 2019

How to install Apache CouchDB on CentOS/RHEL 7/6

CouchDB is an open-source database, and was first released in 2005 and later became an Apache Software Foundation project in 2008. Apache CouchDB is document-oriented database with NoSQL, it’s mean that there is no schema, tables, rows
28 Mar 2019

How to Install iRedMail Mail Server on CentOS/RHEL 7/6

iRedMail is open source mail server on Linux server. iRedMail gives numerous features, for example, it is totally safe and secure as the entirety of its components are open source. Your security is totally ensured as the
22 Mar 2019


Moodle (Modular Object-Oriented Dynamic Learning Environment) is a free open-source learning management system or e-Learning platform, that makes it easy for you to provide online support for your course. Moodle provides a place where you can easily
19 Mar 2019

How to Install and Configuration Fail2Ban on CentOS/RHEL/Ubuntu

Fail2ban is a very useful application for the system administrator. It is very helpful to make your server more secure. Fail2Ban scan logs file and has the ability to ban IP’s which is malicious based on the
18 Mar 2019

How to Change MySQL Password Policy Level on Linux

MySQL version 5.6.6 comes with a new security plugin called Password Validation Plugin. The validate_password plugin test password strength and improve security. Sometimes while changing the password you got the error “ERROR 1819 (HY000): Your password does
18 Mar 2019

How to Install and Configure Ansible on CentOS 7

Ansible is an open-source automation tool. Ansible can help you on the platform, configuration management, application deployment, intra-service orchestration, and provisioning. It is very simple to setup and more powerful tool. In other words, it frees up
18 Mar 2019

Understanding Playbooks in Ansible

Ansible is a configuration management tool that automates the configuration on bunch of servers by the use of playbooks. Ansible plays are written in YAML. YAML stands for Yet Another Markup Language. Ansible playbook is the file